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Analysis

  • max time kernel
    70s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2023, 13:42

General

  • Target

    156845b1bf7447d5131a1392b2809f27.exe

  • Size

    528KB

  • MD5

    156845b1bf7447d5131a1392b2809f27

  • SHA1

    a525aa16b7fe1dc7a568f509861fce60f957f525

  • SHA256

    9255b7a154698669aa8d751692d350651653054f0190f4963e8c28edb37afcc5

  • SHA512

    ff68feb16255008591ffc2d2487639e217f1d95fa35fafdc43c314d3a0746a6375eaf52ee1ceb486957cd63d261442c9d9df7e23d1e0a9d2c8e83d0b78ff3096

  • SSDEEP

    12288:OMrVy90DAo5EyqQ7svdj8POHb9KSTOocNk:HyA5EdQ7kiPsdcNk

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5a9421183a033f283b2f23139b471f0

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\156845b1bf7447d5131a1392b2809f27.exe
    "C:\Users\Admin\AppData\Local\Temp\156845b1bf7447d5131a1392b2809f27.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vXp80.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vXp80.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3412
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dQx82.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dQx82.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 1780
          4⤵
          • Program crash
          PID:4892
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nCc88rL.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nCc88rL.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:208
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYC88.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYC88.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4488
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1804 -ip 1804
    1⤵
      PID:2968

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYC88.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sYC88.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vXp80.exe

      Filesize

      424KB

      MD5

      da907eb8a286ac0efcfbffdc26a0fe11

      SHA1

      18954e048e815a83103d5ce0fcae5eb8f28188fa

      SHA256

      427c00e6d41644be91ea2c4a8e2694bf8b2ee1758d0225725a576f89da9fef09

      SHA512

      17ee65852ce2cb9a0b89e3869f4925f0d2095f0ac794c66c6421bb08abf2b191e9e4699d0d6e1d0bd70d140737e81877b49125fb88c2595d95bb7b9fb649b311

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vXp80.exe

      Filesize

      424KB

      MD5

      da907eb8a286ac0efcfbffdc26a0fe11

      SHA1

      18954e048e815a83103d5ce0fcae5eb8f28188fa

      SHA256

      427c00e6d41644be91ea2c4a8e2694bf8b2ee1758d0225725a576f89da9fef09

      SHA512

      17ee65852ce2cb9a0b89e3869f4925f0d2095f0ac794c66c6421bb08abf2b191e9e4699d0d6e1d0bd70d140737e81877b49125fb88c2595d95bb7b9fb649b311

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dQx82.exe

      Filesize

      278KB

      MD5

      6e88575e5a8289855c38133d70e4466d

      SHA1

      f4dba78bb2db07d4964846d2707136ea7078566a

      SHA256

      5dddea590a2fa5de71f11a70e98cec2735f106ebe59d84c79f465c2744b89556

      SHA512

      a4712145bbf4d16d75ed65754c80397f08195917b65ab7f86d8fbb1d9820f7f0c45644045001def0708192387144640850d49aed40cc7a976c1e07b1c622f03c

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dQx82.exe

      Filesize

      278KB

      MD5

      6e88575e5a8289855c38133d70e4466d

      SHA1

      f4dba78bb2db07d4964846d2707136ea7078566a

      SHA256

      5dddea590a2fa5de71f11a70e98cec2735f106ebe59d84c79f465c2744b89556

      SHA512

      a4712145bbf4d16d75ed65754c80397f08195917b65ab7f86d8fbb1d9820f7f0c45644045001def0708192387144640850d49aed40cc7a976c1e07b1c622f03c

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nCc88rL.exe

      Filesize

      175KB

      MD5

      dd0c9e110c68ce1fa5308979ef718f7b

      SHA1

      473deb8069f0841d47b74b7f414dacc6f96eca78

      SHA256

      dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

      SHA512

      29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nCc88rL.exe

      Filesize

      175KB

      MD5

      dd0c9e110c68ce1fa5308979ef718f7b

      SHA1

      473deb8069f0841d47b74b7f414dacc6f96eca78

      SHA256

      dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

      SHA512

      29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

    • memory/208-158-0x0000000000EA0000-0x0000000000ED2000-memory.dmp

      Filesize

      200KB

    • memory/1804-139-0x0000000004D60000-0x0000000005304000-memory.dmp

      Filesize

      5.6MB

    • memory/1804-153-0x00000000008A2000-0x00000000008D1000-memory.dmp

      Filesize

      188KB

    • memory/1804-144-0x0000000005C80000-0x0000000005C92000-memory.dmp

      Filesize

      72KB

    • memory/1804-145-0x0000000005CE0000-0x0000000005D1C000-memory.dmp

      Filesize

      240KB

    • memory/1804-146-0x0000000005F90000-0x0000000006022000-memory.dmp

      Filesize

      584KB

    • memory/1804-147-0x0000000006030000-0x0000000006096000-memory.dmp

      Filesize

      408KB

    • memory/1804-148-0x00000000008A2000-0x00000000008D1000-memory.dmp

      Filesize

      188KB

    • memory/1804-149-0x0000000006830000-0x00000000068A6000-memory.dmp

      Filesize

      472KB

    • memory/1804-150-0x00000000068C0000-0x0000000006910000-memory.dmp

      Filesize

      320KB

    • memory/1804-151-0x0000000006940000-0x0000000006B02000-memory.dmp

      Filesize

      1.8MB

    • memory/1804-152-0x0000000006B20000-0x000000000704C000-memory.dmp

      Filesize

      5.2MB

    • memory/1804-143-0x0000000005B40000-0x0000000005C4A000-memory.dmp

      Filesize

      1.0MB

    • memory/1804-154-0x0000000000400000-0x0000000000763000-memory.dmp

      Filesize

      3.4MB

    • memory/1804-142-0x00000000054A0000-0x0000000005AB8000-memory.dmp

      Filesize

      6.1MB

    • memory/1804-138-0x00000000008A2000-0x00000000008D1000-memory.dmp

      Filesize

      188KB

    • memory/1804-141-0x0000000000400000-0x0000000000763000-memory.dmp

      Filesize

      3.4MB

    • memory/1804-140-0x0000000000800000-0x000000000084B000-memory.dmp

      Filesize

      300KB

    • memory/4488-162-0x00000000004C0000-0x00000000004CA000-memory.dmp

      Filesize

      40KB

    • memory/4488-163-0x00007FF98F5A0000-0x00007FF990061000-memory.dmp

      Filesize

      10.8MB

    • memory/4488-164-0x00007FF98F5A0000-0x00007FF990061000-memory.dmp

      Filesize

      10.8MB